He works hard. (作状语)他工作努力。
You speak English very well. (作状语)你英语讲得相当好。
Does she stay home? (作表语)她呆在家吗?
[she stays home是主系表结构,stay 此处是[linking verb 连系动词], home 是[adv.],作stay的表语]
[PS: 至于she stays at home...此处stay是实义动词,整个句子是主谓结构,at home是介词短语做地点状语]
Let's be out. (作表语)让我们出去吧。
Food here is hard to get. (here作定语,hard作状语)这儿很难弄到食物。
a. The villagers there are busy getting in wheat